Rob Gravelle

In the There’s More than One Way to Play Embedded YouTube Videos! article, I described several different ways to go about embedding YouTube videos in a web page. In that tutorial, I made a passing reference to the Flash player. Well, guess what; as of January 27, 2015, both the YouTube JavaScript and ActionScript 3.0 […]

HTML5 and the Evolution of Images Images were first seen by the general consumer in September of 1993 when the NCSA Mosaic browser became the first to include text and images on the same page. The inclusion of the now ubiquitous tag to the HTML lexicon no doubt played a role in the explosive […]

Building Responsive Web Page Headers With people surfing the Web on a plethora of devices these days, it’s important that your site look good on all of them. Unfortunately, the page layout that people have come to expect on a smart TV is not the same as on a smart phone. In the former, the […]

Some Easy Ways to Add Style to your HTML Lists HTML5 has brought a few changes to the HTML list. Though not terribly expansive in scope, By adding CSS3 and JavaScript interactions to the HTML tag changes, the HTML list has been re-purposed – specifically the unordered list – to do a lot more than […]

Responsive Web design is where it’s at right now. That’s a style of web page design whereby the page layout dynamically adjusts the layout to look good on all devices, from desktops to tablets to phones. This end result is achieved using a combination of CSS and HTML to resize, hide, shrink, enlarge, or move […]

Mobile Application Security: Mobile Device Management In the early days of smart phones, organizations were draconian in granting rights on employees’ devices. What they found is that this approach proved to be inadequate as it decreased productivity and negated BYOD (Bring Your Own Device) opportunities. Nowadays, companies employ a much broader range of tools, services, […]

Using the HTML5 Download Attribute Many of the HTML5 additions to the HTML landscape have been trumpeted with much fanfare. Meanwhile, a new attribute has been added to the a element that has gone unnoticed by many writers and developers. It’s the download attribute and it promises to replace PHP-driven file download scripts with […]

WooCommerce is popular a free eCommerce plugin for selling just about anything in WordPress. Currently about 30 percent of all online stores are powered by Woocommerce. On strong selling feature is the hundreds of free WordPress extensions available for it. Another is its API, which allows the programmatic reading, creating, updating, and deleting of stored […]

Respond to Embedded YouTube Video Events There are certain video events that you can respond to such as when the video starts, stops, is paused, or is buffering. There’s only so much you can do using an embed URL or the YouTube Video Editor. For more fine-grained control over events and all aspects concerning playback […]

Once you’ve built a commercial website or two it becomes apparent that most business owners share similar requirements in terms of basic functionality. Common use cases include product or service management, user/membership management, and user authentication. If you’re developing in Java, the latter can be handled by JAAS. Whether you want to handle user authentication […]

A LoginModule often needs to communicate with the user, for example to ask for a user name and password. In such cases, it does not do so directly, in order to keep LoginModules decoupled from the specific implementation details of the user interaction. Instead, the LoginModule invokes a CallbackHandler to perform the user interaction and […]

Once you’ve built a commercial website or two it becomes apparent that most business owners share similar requirements in terms of basic functionality. Common use cases include product or service management, user/membership management, and user authentication. If you’re developing in Java, the latter can be handled by JAAS. Whether you want to handle user authentication […]